Workplace electrical safety has evolved in the United States and Canada with the application of NFPA 70E, the U.S. standard for electrical safety in the workplace, and CSA Z462, Canada’s workplace electrical safety standard published on Dec. 28, 2008. With CSA Z462 now in its published second edition and the third edition in the works, energized electrical work in Canada will never be the same. But is this enough? Have we missed a key variable in electrical safety? What about electrical equipment maintenance?
There are really three key elements to electrical safety and ensuring that risk related to energized electrical power systems is reduced to as low as reasonably practicable (ALARP): safe installations, safe work practices, and adequate electrical equipment maintenance. This trifecta of electrical safety will result in achieving the lowest risk to workers and highest reliability for electrical power systems.
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